Allegheny Hydro No 8
Hydro power plant in Armstrong County, Pennsylvania. 13.6 MW of nameplate capacity across 2 generators, operated by Allegheny Hydro LP.
Also known as EIA plant 50897
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 13.6 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- December 1990First generator online
- Operator
- Allegheny Hydro LPEIA operator ID 56813
- Grid
- PJMBalancing authority PJM
- Price nodes
- None linkedNo verified ISO node
- Location
- Armstrong County, PA40.8966, −79.4790
- EIA plant ID
- 50897EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Allegheny Hydro No 8 produces
Free · EIA-923Net generation, 2025
79.6 GWh
79,588 MWh, final
Capacity factor, 2025
66.8%
2024: 59.1%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
70.3–101.3
GWh a year. Low 2022, high 2019
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | 68,775 | Not reported | 12 of 12 |
| 2002 | 85,143 | Not reported | 12 of 12 |
| 2003 | 109,148 | Not reported | 12 of 12 |
| 2004 | 102,513 | Not reported | 12 of 12 |
| 2005 | 77,220 | Not reported | 12 of 12 |
| 2006 | 92,714 | Not reported | 12 of 12 |
| 2007 | 69,282 | Not reported | 12 of 12 |
| 2008 | 82,263 | Not reported | 12 of 12 |
| 2009 | 94,025 | Not reported | 12 of 12 |
| 2010 | 75,771 | 63.6% | 12 of 12 |
| 2011 | 84,157 | 70.6% | 12 of 12 |
| 2012 | 76,763 | 64.3% | 12 of 12 |
| 2013 | 89,813 | 75.4% | 12 of 12 |
| 2014 | 102,209 | 85.8% | 12 of 12 |
| 2015 | 87,144 | 73.1% | 12 of 12 |
| 2016 | 86,667 | 72.5% | 12 of 12 |
| 2017 | 92,121 | 77.3% | 12 of 12 |
| 2018 | 98,669 | 82.8% | 12 of 12 |
| 2019 | 101,315 | 85.0% | 12 of 12 |
| 2020 | 83,412 | 69.8% | 12 of 12 |
| 2021 | 87,485 | 73.4% | 12 of 12 |
| 2022 | 70,316 | 59.0% | 12 of 12 |
| 2023 | 73,220 | 61.5% | 12 of 12 |
| 2024 | 70,559 | 59.1% | 12 of 12 |
| 2025 | 79,588 | 66.8% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSNo EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GEN1 | Conventional Hydroelectric | 6.8 | December 1990 |
| GEN2 | Conventional Hydroelectric | 6.8 | December 1990 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Allegheny Hydro LP as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
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Power plants near Allegheny Hydro No 8
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Questions about Allegheny Hydro No 8
How much power does Allegheny Hydro No 8 produce?
Allegheny Hydro No 8 reported 79,588 MWh (79.6 GWh) of net generation in 2025, a 66.8% capacity factor on 13.6 MW of nameplate capacity.
Where is Allegheny Hydro No 8?
Allegheny Hydro No 8 is in Armstrong County, Pennsylvania, at 40.8966, −79.4790. It is in the PJM Interconnection, LLC balancing area (PJM).
Who operates Allegheny Hydro No 8?
EIA-860M for August 2026 lists Allegheny Hydro LP as the operator (EIA operator ID 56813). The operator is not always the owner.
When did Allegheny Hydro No 8 start operating?
Its first generator began operating in December 1990, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page